F 62 Five-membered 2,3-dioxo heterocycles: LXXVIII. Acylation of fischer's base with aroylketenes. Crystalline and molecular structure of (1E, 3Z)-4-(4-chlorophenyl)-4-hydroxy-1-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)but-3-en-2-one [Electronic resource] / V. V. Konovalova, Yu. V. Shklyaev, P. A. Slepukhin, A. N. Maslivets // Russian Journal of Organic Chemistry (Translation of Zhurnal Organicheskoi Khimii). - 2011. - Vol. 47, № 7. - P1062-1065. - Bibliogr. : p. 1065 (11 ref.) Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: Aroylketenes generated by thermolysis of 6-aryl-2,2-dimethyl-4H-1,3-dioxin-4-ones reacted with 1,3,3-trimethyl-2-methylidene-1,3-dihydro-2H-indole (Fischer's base) to produce (1E,3Z)-4-aryl-4-hydroxy-1-(1,3,3-trimethyl-1,3-dihydro-2H-indol-2-ylidene)but-3-en-2-ones. The crystalline and molecular structures of (1E,3Z)-4-(4-chlorophenyl)-4-hydroxy-1-(1,3,3-trimethyl-2,3-dihydro-1H-indol-2-ylidene)but-3-en-2-one were determined by X-ray analysis \\\\Expert2\\nbo\\Russian Journal of Organic Chemistry\\2011, 47 (7), 1062.pdf |